Home / 89,371.08-134,057.03-30,207.06

Finding the Fourth Proportional to 89,371.08, 134,057.03 and 30,207.06

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Solution

The fourth proportional to 89,371.08, 134,057.03 and 30,207.06 is: 45,310.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,371.08 : 134,057.03 = 30,207.06 : x
  2. Step 2: Convert to fraction form
    89,371.08/134,057.03 = 30,207.06/x
  3. Step 3: Cross multiply
    89,371.08x = 134,057.03 × 30,207.06
  4. Step 4: Simplify right side
    89,371.08x = 4,049,468,597.60
  5. Step 5: Solve for x
    x = 4,049,468,597.60/89,371.08
  6. Step 6: Final answer
    x = 45,310.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.